Air conditioning refrigerant charging device with digital gauge



FIG. 1 is a front perspective view of an air conditioning refrigerant charging device with digital gauge in accordance with the claimed design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear elevation thereof; and,

FIG. 7 is a front elevation view thereof.

The broken lines in the FIGURES represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for an air conditioning refrigerant charging device with digital gauge, as shown and described. 